67 lines
1.8 KiB
TypeScript
67 lines
1.8 KiB
TypeScript
import type { Author, Maybe, Reaction, Shout, Topic, TopicStat } from '~/graphql/schema/core.gen'
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export const byFirstChar = (a: Author | Topic, b: Author | Topic) =>
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((a as Author).name || (a as Topic).title || '').localeCompare(
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(b as Author).name || (b as Topic).title || ''
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)
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export const byCreated = (a: Shout | Reaction, b: Shout | Reaction) => {
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return a?.created_at - b?.created_at
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}
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export const byPublished = (a: Shout, b: Shout) => {
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return (a?.published_at || 0) - (b?.published_at || 0)
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}
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export const byLength = (
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a: (Shout | Reaction | Topic | Author)[],
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b: (Shout | Reaction | Topic | Author)[]
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) => {
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const x = a.length
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const y = b.length
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if (x > y) return -1
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if (x < y) return 1
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return 0
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}
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export type SomeStat = { [x: string]: Maybe<number> } | undefined | null
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export const byStat = (metric: string) => {
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if (metric === 'name' || metric === 'title') return byFirstChar
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return (a: { stat?: SomeStat }, b: { stat?: SomeStat }) => {
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const aStat = a.stat?.[metric] ?? 0
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const bStat = b.stat?.[metric] ?? 0
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return aStat - bStat
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}
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}
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export const byTopicStatDesc = (metric: keyof TopicStat) => {
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return (a: Topic, b: Topic) => {
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const x = a.stat?.[metric] || 0
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const y = b.stat?.[metric] || 0
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if (x > y) return -1
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if (x < y) return 1
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return 0
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}
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}
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export const byScore = () => {
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return (a: { score: number }, b: { score: number }) => {
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const x = a?.score || 0
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const y = b?.score || 0
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if (x > y) return -1
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if (x < y) return 1
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return 0
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}
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}
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// biome-ignore lint/suspicious/noExplicitAny: sort
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export const sortBy = (data: any, metric: string | ((a: any, b: any) => number) | undefined) => {
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const x = [...data]
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// @ts-ignore
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x.sort(typeof metric === 'function' ? metric : byStat(metric))
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return x
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}
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